The Center for Science in the Public Interest in the U.S. is trying to whack a healthy meat substitute called Quorn, from Marlow Foods in the U.K., a unit of AstraZeneca.

FORBES: Food fight

The cost estimate fell in part because the agency cut a proposed requirement for schools to provide meat or a meat substitute in the government-subsidized breakfast program, according to agency Undersecretary Kevin Concannon.

WSJ: School Lunches to Become Healthier

It is clear, however, that meat-free and meat-substitute meals make up more and more of what we eat.

BBC: The rise of the non-veggie vegetarian

The ground paste was then processed and packaged as a nutritious protein substitute for people who were unable to chew meat.

BBC: 7 questions on sandwiches